Day 3. Working with DataSets

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Day 3. Working with DataSet s

Yesterday you walked through an end-to-end example of building an ASP.NET application designed to put the use of ADO.NET in perspective. However, the reliance on code-generating wizards can certainly obscure the breadth of functionality that is at your disposal. For that reason, today and the next four days will be devoted to an in-depth look at all aspects of the DataSet object. Unlike yesterday, the format of the next few days will not take you through an application or work with graphical tools, but rather will examine short snippets and code listings that highlight specific features and behaviors of the DataSet . Specifically, today you will learn the most common techniques for working with DataSet objects, including

• How a DataSet compares to an ADO Recordset

• How to programmatically populate and traverse a DataSet

• How to select and find rows within a table

• How to copy, clone, and merge DataSet objects

• How to be notified of events

• The importance and use of a DataView

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